This member of the private data holds the start address of PCI BAR 1 that is
used to access the board registers. The start address is also stored in the
comedi_device 'iobase' member. Use that instead and remove the private data
member.

Remove some unnecessary casts when reading the board registers.

Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 .../comedi/drivers/addi-data/hwdrv_apci3120.c      | 144 ++++++++++-----------
 drivers/staging/comedi/drivers/addi_apci_3120.c    |   2 -
 2 files changed, 67 insertions(+), 79 deletions(-)

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c 
b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index d6875d9..0ba4b79 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -347,8 +347,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                 * Testing if board have the new Quartz and calculate the time 
value
                 * to set in the timer
                 */
-               us_TmpValue =
-                       (unsigned short) inw(devpriv->iobase + 
APCI3120_RD_STATUS);
+               us_TmpValue = inw(dev->iobase + APCI3120_RD_STATUS);
 
                /* EL250804: Testing if board APCI3120 have the new Quartz or 
if it is an APCI3001 */
                if ((us_TmpValue & 0x00B0) == 0x00B0
@@ -368,7 +367,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                        /*
                         * Testing the interrupt flag and set the EOC bit 
Clears the FIFO
                         */
-                       inw(devpriv->iobase + APCI3120_RESET_FIFO);
+                       inw(dev->iobase + APCI3120_RESET_FIFO);
 
                        /*  Initialize the sequence array */
                        if (!apci3120_setup_chan_list(dev, s, 1,
@@ -381,7 +380,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                                b_TimerSelectMode & 0xFC) |
                                APCI3120_TIMER_0_MODE_4;
                        outb(devpriv->b_TimerSelectMode,
-                               devpriv->iobase + APCI3120_TIMER_CRT1);
+                            dev->iobase + APCI3120_TIMER_CRT1);
 
                        /*  Reset the scan bit and Disables the  EOS, DMA, EOC 
interrupt */
                        devpriv->b_ModeSelectRegister =
@@ -396,7 +395,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                                        b_ModeSelectRegister &
                                        APCI3120_DISABLE_EOS_INT) |
                                        APCI3120_ENABLE_EOC_INT;
-                               inw(devpriv->iobase);
+                               inw(dev->iobase + 0);
 
                        } else {
                                devpriv->b_ModeSelectRegister =
@@ -406,7 +405,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                        }
 
                        outb(devpriv->b_ModeSelectRegister,
-                               devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
+                            dev->iobase + APCI3120_WRITE_MODE_SELECT);
 
                        /*  Sets gate 0 */
                        devpriv->us_OutputRegister =
@@ -414,17 +413,17 @@ static int apci3120_ai_insn_read(struct comedi_device 
*dev,
                                us_OutputRegister & APCI3120_CLEAR_PA_PR) |
                                APCI3120_ENABLE_TIMER0;
                        outw(devpriv->us_OutputRegister,
-                               devpriv->iobase + APCI3120_WR_ADDRESS);
+                            dev->iobase + APCI3120_WR_ADDRESS);
 
                        /*  Select Timer 0 */
                        b_Tmp = ((devpriv->
                                        b_DigitalOutputRegister) & 0xF0) |
                                APCI3120_SELECT_TIMER_0_WORD;
-                       outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+                       outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
 
                        /* Set the conversion time */
                        outw(us_ConvertTiming,
-                               devpriv->iobase + APCI3120_TIMER_VALUE);
+                            dev->iobase + APCI3120_TIMER_VALUE);
 
                        us_TmpValue =
                                (unsigned short) inw(dev->iobase + 
APCI3120_RD_STATUS);
@@ -433,26 +432,25 @@ static int apci3120_ai_insn_read(struct comedi_device 
*dev,
 
                                do {
                                        /*  Waiting for the end of conversion */
-                                       us_TmpValue =
-                                               inw(devpriv->iobase +
-                                               APCI3120_RD_STATUS);
+                                       us_TmpValue = inw(dev->iobase +
+                                                         APCI3120_RD_STATUS);
                                } while ((us_TmpValue & APCI3120_EOC) ==
                                        APCI3120_EOC);
 
                                /* Read the result in FIFO  and put it in insn 
data pointer */
-                               us_TmpValue = inw(devpriv->iobase + 0);
+                               us_TmpValue = inw(dev->iobase + 0);
                                *data = us_TmpValue;
 
-                               inw(devpriv->iobase + APCI3120_RESET_FIFO);
+                               inw(dev->iobase + APCI3120_RESET_FIFO);
                        }
 
                        break;
 
                case APCI3120_EOS_MODE:
 
-                       inw(devpriv->iobase);
+                       inw(dev->iobase + 0);
                        /*  Clears the FIFO */
-                       inw(devpriv->iobase + APCI3120_RESET_FIFO);
+                       inw(dev->iobase + APCI3120_RESET_FIFO);
                        /*  clear PA PR  and disable timer 0 */
 
                        devpriv->us_OutputRegister =
@@ -461,7 +459,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                                APCI3120_DISABLE_TIMER0;
 
                        outw(devpriv->us_OutputRegister,
-                               devpriv->iobase + APCI3120_WR_ADDRESS);
+                            dev->iobase + APCI3120_WR_ADDRESS);
 
                        if (!apci3120_setup_chan_list(dev, s,
                                        devpriv->ui_AiNbrofChannels,
@@ -474,24 +472,24 @@ static int apci3120_ai_insn_read(struct comedi_device 
*dev,
                                b_TimerSelectMode & 0xFC) |
                                APCI3120_TIMER_0_MODE_2;
                        outb(devpriv->b_TimerSelectMode,
-                               devpriv->iobase + APCI3120_TIMER_CRT1);
+                            dev->iobase + APCI3120_TIMER_CRT1);
 
                        /* Select Timer 0 */
                        b_Tmp = ((devpriv->
                                        b_DigitalOutputRegister) & 0xF0) |
                                APCI3120_SELECT_TIMER_0_WORD;
-                       outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+                       outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
 
                        /* Set the conversion time */
                        outw(us_ConvertTiming,
-                               devpriv->iobase + APCI3120_TIMER_VALUE);
+                            dev->iobase + APCI3120_TIMER_VALUE);
 
                        /* Set the scan bit */
                        devpriv->b_ModeSelectRegister =
                                devpriv->
                                b_ModeSelectRegister | APCI3120_ENABLE_SCAN;
                        outb(devpriv->b_ModeSelectRegister,
-                               devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
+                            dev->iobase + APCI3120_WRITE_MODE_SELECT);
 
                        /* If Interrupt function is loaded */
                        if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE) {
@@ -501,7 +499,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
                                        b_ModeSelectRegister &
                                        APCI3120_DISABLE_EOC_INT) |
                                        APCI3120_ENABLE_EOS_INT;
-                               inw(devpriv->iobase);
+                               inw(dev->iobase + 0);
 
                        } else
                                devpriv->b_ModeSelectRegister =
@@ -510,34 +508,33 @@ static int apci3120_ai_insn_read(struct comedi_device 
*dev,
                                        
APCI3120_DISABLE_ALL_INTERRUPT_WITHOUT_TIMER;
 
                        outb(devpriv->b_ModeSelectRegister,
-                               devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
+                            dev->iobase + APCI3120_WRITE_MODE_SELECT);
 
-                       inw(devpriv->iobase + APCI3120_RD_STATUS);
+                       inw(dev->iobase + APCI3120_RD_STATUS);
 
                        /* Sets gate 0 */
                        devpriv->us_OutputRegister =
                                devpriv->
                                us_OutputRegister | APCI3120_ENABLE_TIMER0;
                        outw(devpriv->us_OutputRegister,
-                               devpriv->iobase + APCI3120_WR_ADDRESS);
+                            dev->iobase + APCI3120_WR_ADDRESS);
 
                        /* Start conversion */
-                       outw(0, devpriv->iobase + APCI3120_START_CONVERSION);
+                       outw(0, dev->iobase + APCI3120_START_CONVERSION);
 
                        /* Waiting of end of conversion if interrupt is not 
installed */
                        if (devpriv->b_EocEosInterrupt == APCI3120_DISABLE) {
                                /* Waiting the end of conversion */
                                do {
-                                       us_TmpValue =
-                                               inw(devpriv->iobase +
-                                               APCI3120_RD_STATUS);
+                                       us_TmpValue = inw(dev->iobase +
+                                                         APCI3120_RD_STATUS);
                                } while ((us_TmpValue & APCI3120_EOS) !=
                                         APCI3120_EOS);
 
                                for (i = 0; i < devpriv->ui_AiNbrofChannels;
                                        i++) {
                                        /* Read the result in FIFO and write 
them in shared memory */
-                                       us_TmpValue = inw(devpriv->iobase);
+                                       us_TmpValue = inw(dev->iobase);
                                        data[i] = (unsigned int) us_TmpValue;
                                }
 
@@ -787,7 +784,7 @@ static int apci3120_cyclic_ai(int mode,
 
        /* Resets the FIFO */
        /* BEGIN JK 07.05.04: Comparison between WIN32 and Linux driver */
-       inb(devpriv->iobase + APCI3120_RESET_FIFO);
+       inb(dev->iobase + APCI3120_RESET_FIFO);
        /* END JK 07.05.04: Comparison between WIN32 and Linux driver */
 
        devpriv->ui_AiActualScan = 0;
@@ -1392,7 +1389,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
                devpriv->b_ExttrigEnable = APCI3120_DISABLE;
        }
        /* clear the timer 2 interrupt */
-       inb(devpriv->iobase + APCI3120_TIMER_STATUS_REGISTER);
+       inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
 
        if (int_amcc & MASTER_ABORT_INT)
                dev_err(dev->class_dev, "AMCC IRQ - MASTER DMA ABORT!\n");
@@ -1405,8 +1402,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
                if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE) {
 
                        /*  Read the AI Value */
-                       devpriv->ui_AiReadData[0] =
-                               (unsigned int) inw(devpriv->iobase + 0);
+                       devpriv->ui_AiReadData[0] = inw(dev->iobase + 0);
                        devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
                        send_sig(SIGIO, devpriv->tsk_Current, 0);       /*  
send signal to the sample */
                } else {
@@ -1415,8 +1411,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
                                devpriv->
                                b_ModeSelectRegister & APCI3120_DISABLE_EOC_INT;
                        outb(devpriv->b_ModeSelectRegister,
-                               devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
-
+                            dev->iobase + APCI3120_WRITE_MODE_SELECT);
                }
        }
 
@@ -1440,7 +1435,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
                                ui_Check = 0;
                                for (i = 0; i < devpriv->ui_AiNbrofChannels;
                                        i++) {
-                                       us_TmpValue = inw(devpriv->iobase + 0);
+                                       us_TmpValue = inw(dev->iobase + 0);
                                        devpriv->ui_AiReadData[i] =
                                                (unsigned int) us_TmpValue;
                                }
@@ -1562,7 +1557,7 @@ static int apci3120_config_insn_timer(struct 
comedi_device *dev,
 
        ui_Timervalue2 = data[1] / 1000;        /*  convert nano seconds  to u 
seconds */
 
-       us_TmpValue = (unsigned short) inw(devpriv->iobase + 
APCI3120_RD_STATUS);
+       us_TmpValue = inw(dev->iobase + APCI3120_RD_STATUS);
 
        /*
         * EL250804: Testing if board APCI3120 have the new Quartz or if it
@@ -1580,7 +1575,7 @@ static int apci3120_config_insn_timer(struct 
comedi_device *dev,
        /* Reset gate 2 of Timer 2 to disable it (Set Bit D14 to 0) */
        devpriv->us_OutputRegister =
                devpriv->us_OutputRegister & APCI3120_DISABLE_TIMER2;
-       outw(devpriv->us_OutputRegister, devpriv->iobase + APCI3120_WR_ADDRESS);
+       outw(devpriv->us_OutputRegister, dev->iobase + APCI3120_WR_ADDRESS);
 
        /*  Disable TIMER Interrupt */
        devpriv->b_ModeSelectRegister =
@@ -1593,14 +1588,14 @@ static int apci3120_config_insn_timer(struct 
comedi_device *dev,
                b_ModeSelectRegister & APCI3120_DISABLE_EOC_INT &
                APCI3120_DISABLE_EOS_INT;
        outb(devpriv->b_ModeSelectRegister,
-               devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
+            dev->iobase + APCI3120_WRITE_MODE_SELECT);
        if (data[0] == APCI3120_TIMER) {        /* initialize timer */
                /* Set the Timer 2 in mode 2(Timer) */
                devpriv->b_TimerSelectMode =
                        (devpriv->
                        b_TimerSelectMode & 0x0F) | APCI3120_TIMER_2_MODE_2;
                outb(devpriv->b_TimerSelectMode,
-                       devpriv->iobase + APCI3120_TIMER_CRT1);
+                    dev->iobase + APCI3120_TIMER_CRT1);
 
                /*
                 * Configure the timer 2 for writing the LOW unsigned short of 
timer
@@ -1614,17 +1609,17 @@ static int apci3120_config_insn_timer(struct 
comedi_device *dev,
                b_Tmp = ((devpriv->
                                b_DigitalOutputRegister) & 0xF0) |
                        APCI3120_SELECT_TIMER_2_LOW_WORD;
-               outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+               outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
                outw(ui_Timervalue2 & 0xffff,
-                       devpriv->iobase + APCI3120_TIMER_VALUE);
+                    dev->iobase + APCI3120_TIMER_VALUE);
 
                /* Writing HIGH unsigned short */
                b_Tmp = ((devpriv->
                                b_DigitalOutputRegister) & 0xF0) |
                        APCI3120_SELECT_TIMER_2_HIGH_WORD;
-               outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+               outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
                outw((ui_Timervalue2 >> 16) & 0xffff,
-                       devpriv->iobase + APCI3120_TIMER_VALUE);
+                    dev->iobase + APCI3120_TIMER_VALUE);
                /*  timer2 in Timer mode enabled */
                devpriv->b_Timer2Mode = APCI3120_TIMER;
 
@@ -1635,7 +1630,7 @@ static int apci3120_config_insn_timer(struct 
comedi_device *dev,
                        (devpriv->
                        b_TimerSelectMode & 0x0F) | APCI3120_TIMER_2_MODE_5;
                outb(devpriv->b_TimerSelectMode,
-                       devpriv->iobase + APCI3120_TIMER_CRT1);
+                    dev->iobase + APCI3120_TIMER_CRT1);
 
                /*
                 * Configure the timer 2 for writing the LOW unsigned short of 
timer
@@ -1649,18 +1644,18 @@ static int apci3120_config_insn_timer(struct 
comedi_device *dev,
                b_Tmp = ((devpriv->
                                b_DigitalOutputRegister) & 0xF0) |
                        APCI3120_SELECT_TIMER_2_LOW_WORD;
-               outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+               outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
                outw(ui_Timervalue2 & 0xffff,
-                       devpriv->iobase + APCI3120_TIMER_VALUE);
+                    dev->iobase + APCI3120_TIMER_VALUE);
 
                /* Writing HIGH unsigned short */
                b_Tmp = ((devpriv->
                                b_DigitalOutputRegister) & 0xF0) |
                        APCI3120_SELECT_TIMER_2_HIGH_WORD;
-               outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+               outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
 
                outw((ui_Timervalue2 >> 16) & 0xffff,
-                       devpriv->iobase + APCI3120_TIMER_VALUE);
+                    dev->iobase + APCI3120_TIMER_VALUE);
                /* watchdog enabled */
                devpriv->b_Timer2Mode = APCI3120_WATCHDOG;
 
@@ -1715,7 +1710,7 @@ static int apci3120_write_insn_timer(struct comedi_device 
*dev,
        case APCI3120_START:
 
                /*  Reset FC_TIMER BIT */
-               inb(devpriv->iobase + APCI3120_TIMER_STATUS_REGISTER);
+               inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
                if (devpriv->b_Timer2Mode == APCI3120_TIMER) {  /* start timer 
*/
                        /* Enable Timer */
                        devpriv->b_ModeSelectRegister =
@@ -1745,7 +1740,7 @@ static int apci3120_write_insn_timer(struct comedi_device 
*dev,
                                APCI3120_DISABLE_TIMER_INT;
                }
                outb(devpriv->b_ModeSelectRegister,
-                       devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
+                    dev->iobase + APCI3120_WRITE_MODE_SELECT);
 
                if (devpriv->b_Timer2Mode == APCI3120_TIMER) {  /* start timer 
*/
                        /* For Timer mode is  Gate2 must be activated   timer 
started */
@@ -1753,7 +1748,7 @@ static int apci3120_write_insn_timer(struct comedi_device 
*dev,
                                devpriv->
                                us_OutputRegister | APCI3120_ENABLE_TIMER2;
                        outw(devpriv->us_OutputRegister,
-                               devpriv->iobase + APCI3120_WR_ADDRESS);
+                            dev->iobase + APCI3120_WR_ADDRESS);
                }
 
                break;
@@ -1779,16 +1774,16 @@ static int apci3120_write_insn_timer(struct 
comedi_device *dev,
 
                /*  Write above states  to register */
                outb(devpriv->b_ModeSelectRegister,
-                       devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
+                    dev->iobase + APCI3120_WRITE_MODE_SELECT);
 
                /*  Reset Gate 2 */
                devpriv->us_OutputRegister =
                        devpriv->us_OutputRegister & APCI3120_DISABLE_TIMER_INT;
                outw(devpriv->us_OutputRegister,
-                       devpriv->iobase + APCI3120_WR_ADDRESS);
+                    dev->iobase + APCI3120_WR_ADDRESS);
 
                /*  Reset FC_TIMER BIT */
-               inb(devpriv->iobase + APCI3120_TIMER_STATUS_REGISTER);
+               inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
 
                break;
 
@@ -1798,8 +1793,7 @@ static int apci3120_write_insn_timer(struct comedi_device 
*dev,
                                "timer2 not configured in TIMER MODE\n");
                        return -EINVAL;
                }
-               us_TmpValue =
-                       (unsigned short) inw(devpriv->iobase + 
APCI3120_RD_STATUS);
+               us_TmpValue = inw(dev->iobase + APCI3120_RD_STATUS);
 
                /*
                 * EL250804: Testing if board APCI3120 have the new Quartz or 
if it
@@ -1817,19 +1811,19 @@ static int apci3120_write_insn_timer(struct 
comedi_device *dev,
                b_Tmp = ((devpriv->
                                b_DigitalOutputRegister) & 0xF0) |
                        APCI3120_SELECT_TIMER_2_LOW_WORD;
-               outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+               outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
 
                outw(ui_Timervalue2 & 0xffff,
-                       devpriv->iobase + APCI3120_TIMER_VALUE);
+                    dev->iobase + APCI3120_TIMER_VALUE);
 
                /* Writing HIGH unsigned short */
                b_Tmp = ((devpriv->
                                b_DigitalOutputRegister) & 0xF0) |
                        APCI3120_SELECT_TIMER_2_HIGH_WORD;
-               outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+               outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
 
                outw((ui_Timervalue2 >> 16) & 0xffff,
-                       devpriv->iobase + APCI3120_TIMER_VALUE);
+                    dev->iobase + APCI3120_TIMER_VALUE);
 
                break;
        default:
@@ -1866,29 +1860,29 @@ static int apci3120_read_insn_timer(struct 
comedi_device *dev,
                b_Tmp = ((devpriv->
                                b_DigitalOutputRegister) & 0xF0) |
                        APCI3120_SELECT_TIMER_2_LOW_WORD;
-               outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+               outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
 
-               us_TmpValue = inw(devpriv->iobase + APCI3120_TIMER_VALUE);
+               us_TmpValue = inw(dev->iobase + APCI3120_TIMER_VALUE);
 
                /* Read the HIGH unsigned short of Timer 2 register */
                b_Tmp = ((devpriv->
                                b_DigitalOutputRegister) & 0xF0) |
                        APCI3120_SELECT_TIMER_2_HIGH_WORD;
-               outb(b_Tmp, devpriv->iobase + APCI3120_TIMER_CRT0);
+               outb(b_Tmp, dev->iobase + APCI3120_TIMER_CRT0);
 
-               us_TmpValue_2 = inw(devpriv->iobase + APCI3120_TIMER_VALUE);
+               us_TmpValue_2 = inw(dev->iobase + APCI3120_TIMER_VALUE);
 
                /*  combining both words */
                data[0] = (unsigned int) ((us_TmpValue) | ((us_TmpValue_2) << 
16));
 
        } else {                        /*  Read watch dog status */
 
-               us_StatusValue = inw(devpriv->iobase + APCI3120_RD_STATUS);
+               us_StatusValue = inw(dev->iobase + APCI3120_RD_STATUS);
                us_StatusValue =
                        ((us_StatusValue & APCI3120_FC_TIMER) >> 12) & 1;
                if (us_StatusValue == 1) {
                        /*  RESET FC_TIMER BIT */
-                       inb(devpriv->iobase + APCI3120_TIMER_STATUS_REGISTER);
+                       inb(dev->iobase + APCI3120_TIMER_STATUS_REGISTER);
                }
                data[0] = us_StatusValue;       /*  when data[0] = 1 then the 
watch dog has rundown */
        }
@@ -1900,11 +1894,10 @@ static int apci3120_di_insn_bits(struct comedi_device 
*dev,
                                 struct comedi_insn *insn,
                                 unsigned int *data)
 {
-       struct apci3120_private *devpriv = dev->private;
        unsigned int val;
 
        /* the input channels are bits 11:8 of the status reg */
-       val = inw(devpriv->iobase + APCI3120_RD_STATUS);
+       val = inw(dev->iobase + APCI3120_RD_STATUS);
        data[1] = (val >> 8) & 0xf;
 
        return insn->n;
@@ -1922,7 +1915,7 @@ static int apci3120_do_insn_bits(struct comedi_device 
*dev,
                devpriv->b_DigitalOutputRegister = s->state << 4;
 
                outb(devpriv->b_DigitalOutputRegister,
-                    devpriv->iobase + APCI3120_DIGITAL_OUTPUT);
+                    dev->iobase + APCI3120_DIGITAL_OUTPUT);
        }
 
        data[1] = s->state;
@@ -1935,7 +1928,6 @@ static int apci3120_ao_insn_write(struct comedi_device 
*dev,
                                  struct comedi_insn *insn,
                                  unsigned int *data)
 {
-       struct apci3120_private *devpriv = dev->private;
        unsigned int ui_Channel;
        unsigned short us_TmpValue;
 
@@ -1944,9 +1936,7 @@ static int apci3120_ao_insn_write(struct comedi_device 
*dev,
        data[0] = ((((ui_Channel & 0x03) << 14) & 0xC000) | data[0]);
 
        do {                    /* Waiting of DA_READY BIT */
-               us_TmpValue =
-                       ((unsigned short) inw(devpriv->iobase +
-                               APCI3120_RD_STATUS)) & 0x0001;
+               us_TmpValue = inw(dev->iobase + APCI3120_RD_STATUS) & 0x0001;
        } while (us_TmpValue != 0x0001);
 
        if (ui_Channel <= 3)
@@ -1955,14 +1945,14 @@ static int apci3120_ao_insn_write(struct comedi_device 
*dev,
                 * typecasted to ushort since word write is to be done
                 */
                outw((unsigned short) data[0],
-                       devpriv->iobase + APCI3120_ANALOG_OUTPUT_1);
+                    dev->iobase + APCI3120_ANALOG_OUTPUT_1);
        else
                /*
                 * for channel 4-7 out at the register 2 (wrDac5-8) data[i]
                 * typecasted to ushort since word write is to be done
                 */
                outw((unsigned short) data[0],
-                       devpriv->iobase + APCI3120_ANALOG_OUTPUT_2);
+                    dev->iobase + APCI3120_ANALOG_OUTPUT_2);
 
        return insn->n;
 }
diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c 
b/drivers/staging/comedi/drivers/addi_apci_3120.c
index c6f3bc9..6b4a51d 100644
--- a/drivers/staging/comedi/drivers/addi_apci_3120.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3120.c
@@ -37,7 +37,6 @@ struct apci3120_dmabuf {
 };
 
 struct apci3120_private {
-       int iobase;
        unsigned long amcc;
        unsigned long addon;
        unsigned int ui_AiActualScan;
@@ -136,7 +135,6 @@ static int apci3120_auto_attach(struct comedi_device *dev,
        pci_set_master(pcidev);
 
        dev->iobase = pci_resource_start(pcidev, 1);
-       devpriv->iobase = dev->iobase;
        devpriv->amcc = pci_resource_start(pcidev, 0);
        devpriv->addon = pci_resource_start(pcidev, 2);
 
-- 
2.0.3

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